(gdb) bt
#0  0x40186eba in mallopt () from /lib/tls/libc.so.6
#1  0x40185dcb in free () from /lib/tls/libc.so.6
#2  0x4007ae03 in jit_free (ptr=0x40246840) at jit-alloc.c:109
#3  0x40083feb in _jit_function_free_builder (func=0x108) at jit-function.c:170
#4  0x400847ad in jit_function_compile (func=0x827c9c0) at jit-function.c:760
#5  0x40084af5 in _jit_function_compile_on_demand (func=0x827c9c0) at jit-function.c:1111
#6  0x40084c69 in jit_function_apply_vararg (func=0x827c9c0, signature=0x827c998,
    args=0xbffff784, return_area=0xbffff860) at jit-function.c:1222
#7  0x40084b58 in jit_function_apply (func=0x827cc00, args=0x827eb08,
    return_area=0x40246840) at jit-function.c:1175
#8  0x0805c7f9 in ILJitCallMethod (thread=0x40246840, method=0x402931d8,
    jitArgs=0x40246840, result=0x40246840) at jitc.c:1071
#9  0x0804d5df in _ILCallMethod (thread=0x8172f80, method=0x402931d8,
    unpack=0x804d420 <_ILCallUnpackVResult>, result=0x40246840, isCtor=0, _this=0x0,
    pack=0x804d250 <_ILCallPackVParams>, userData=0x40246840) at call.c:1003
#10 0x0804da34 in ILExecThreadCallV (thread=0x40246840, method=0x40246840,
    result=0x40246840, args=0x40246840) at call.c:1290
---Type <return> to continue, or q <return> to quit---
#11 0x0804cf36 in main (argc=2, argv=0xbffff924) at ilrun.c:526
(gdb)